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| 高中三册第1单元练习(英文) | |
| 摘 要： | Ⅰ.单项填空。 1. No one shall leave the lecture hall early without ____. A. permit B. direction C. permission D. promise 2. With so much noise outside the window, I couldnEt concentrate ____ my work. A. on B. into C. at D. about 3. If you want a visa, be |
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